Rheem Solar Premier Loline 596270 Owner's Manual And Installation Instructions page 19

SOLAR WATER HEATERS - INTEGRATED GAS BOOST (CONTINUOUS FLOW)
-1.0
very corrosive
SUMMARY OF WATER CHEMISTRY ADVICE AFFECTING WARRANTY
The water heater, solar collectors and their components are not suitable for certain water chemistries. Those
chemistries are listed below. If the water heater is connected at any time to a water supply with the following
water chemistry, the Rheem warranty will not cover any resultant faults on the components listed below:
Water Chemistry
Total Dissolved Solids (TDS) > 2500 mg/L
Total Dissolved Solids (TDS) not suitable for anode type
Saturation Index (SI) < -1.0
Saturation Index (SI) > +0.4
(if an expansion control valve is not fitted)
Saturation Index (SI) > +0.8
SATURATION INDEX (SI)
WITHIN WARRANTY
SPECIFICATION
0
SATURATION INDEX
(calculated @ 80°C water temperature)
scaling
corrosive
19
+0.4 +0.8
very scaling
Component
water heater cylinder
water heater cylinder
gas booster copper heat exchanger
temperature pressure relief valve,
water heater cylinder
gas booster copper heat exchanger
WATER SUPPLIES